Home / 7,995.34-11,047.12-5,752.78

Finding the Fourth Proportional to 7,995.34, 11,047.12 and 5,752.78

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Solution

The fourth proportional to 7,995.34, 11,047.12 and 5,752.78 is: 7,948.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.34 : 11,047.12 = 5,752.78 : x
  2. Step 2: Convert to fraction form
    7,995.34/11,047.12 = 5,752.78/x
  3. Step 3: Cross multiply
    7,995.34x = 11,047.12 × 5,752.78
  4. Step 4: Simplify right side
    7,995.34x = 63,551,650.99
  5. Step 5: Solve for x
    x = 63,551,650.99/7,995.34
  6. Step 6: Final answer
    x = 7,948.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.